Brief description
These data describe pack ice characteristics in the Antarctic sea ice zone.These data are in the ASPeCt format.
National program: United States
Vessel: Nathaniel B. Palmer
Dates in ice: 07 May 1998 - 11 Jun 1998
Observers: Martin Jeffries, others
Summary of voyage track:
7/5 Ice edge at approx. 67S, 180
7-22/5 South along 180 to Ross ice shelf at approx 78S
22-27/5 West into Terra Nova Bay
28/5 - 11/6 Zig zag track to NE through Ross Sea
11/6 Ice edge at approx. 66S, 175W
The fields in this dataset are:
SEA ICE CONCENTRATION
SEA ICE FLOE SIZE
SEA ICE SNOW COVER
SEA ICE THICKNESS
SEA ICE TOPOGRAPHY
SEA ICE TYPE
RECORD
DATE
TIME
LATITUDE
LONGITUDE
OPEN WATER
TRACK
SNOW THICKNESS
SNOW TYPE
SEA TEMPERATURE
AIR TEMPERATURE
WIND VELOCITY
WIND DIRECTION
FILM COUNTER
FRAME COUNTER FOR FILM
VIDEO RECORDER COUNTER
VISIBILITY CODE
CLOUD
WEATHER CODE
COMMENTS
Lineage
Progress Code: completedFlag 1: Error free
Flag 2: Dubious. Non-specific errors
Flag 3: Known errors exist that can be fixed
Flag 4: Known errors exist that cannot be fixed
Flag 5: No data - not observed
Flag 6: Data in analog format only
Time and position: 1
Total ice concentration: 1
Open water: 1
Pri ice concentration: 1
Pri ice type: 1
Pri ice thickness: 1
Pri floe size: 1
Pri topography: 1
Pri snow type: 1
Pri snow thickness: 1
Sec ice concentration: 1
Sec ice type: 1
Sec ice thickness: 1
Sec floe size: 1
Sec topography: 1
Sec snow type: 1
Sec snow thickness: 1
Ter ice concentration: 1
Ter ice type: 1
Ter ice thickness: 1
Ter floe size: 1
Ter topography: 1
Ter snow type: 1
Ter snow thickness: 1
Air temperature: 1
Water temperature: 5
Wind speed: 1
Wind direction: 1
Cloud: 1
Current weather: 1
Visibility: 1
Video reading: 5
Photo (film no.): 5
Photo (frame no.): 5
Comments: 6
Data time period: 1998-05-07 to 1998-06-11
text: westlimit=163; southlimit=-78.0; eastlimit=-174; northlimit=-65.0
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